Siemens Nixdorf D931, Technical Manual

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Ports and connectors
Introduction
A26361-D931-Z121-5-7619
3
Ports and connectors
1
2
3
4 5 6
8
9
10
11
12
15
16
17
18
20
21
22
7
13
14
19
1 = Parallel interface
2 = Serial port 2
3 = Serial port 1
4 = PS/2 mouse port
5 = PS/2 keyboard port
6 = Connector for power supply
7 = Connector for chipcard reader connection
8 = Connector for power supply 3,3 V
9 = Soft off power supply
10 = Connector for floppy disk drive
11 = Connector 1 for IDE drives 1 and 2
(e.g. hard disk drive)
12 = Connector 2 for IDE drives 3 and 4
13 = Connector for device loudspeaker
14 = Connector for infrared interface
15 = Connector for LED indicators
16 = Connector for LED indicators
17 = Connector for infrared interface and LED
indicators
18 = Connector for fan
19 = Connector for On/Off switch
20 = Bus interface
21 = Connector for remote-on
22 = Connector for Serial port 2 SER2 (TTL)
The connectors marked do not have to be present on the system board.
i
If the connector for the chipcard reader port is used, no device may be
connected to serial interface 1.
If the connector for the serial interface SER2 (TTL) is used, no device
may be connected to the serial interface 2.